Temperatures across the Houston area dipped just below freezing again on Tuesday morning—a sign that the wintry weather conditions are here to stay. And as the freezing temps continue to blast Texas,

Millions in the U.S. are in the path of a major winter storm bringing snow and ice and creating dangerous conditions from the Central Plains to the East Coast.

All highways in northeastern Kansas were closed on Sunday evening, bringing traffic to a standstill in some places.

The freeze warning in Texas is alerting residents to the potential threat of frostbite or hypothermia. "Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.